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Curcumin-Loaded PnBA- b-POEGA Nanoformulations: A Study of Drug-Polymer Interactions and Release Behavior. Int J Mol Sci 2023; 24:ijms24054621. [PMID: 36902057 PMCID: PMC10003461 DOI: 10.3390/ijms24054621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 02/23/2023] [Accepted: 02/24/2023] [Indexed: 03/05/2023] Open
Abstract
The current study focuses on the development of innovative and highly-stable curcumin (CUR)-based therapeutics by encapsulating CUR in biocompatible poly(n-butyl acrylate)-block-poly(oligo(ethylene glycol) methyl ether acrylate) (PnBA-b-POEGA) micelles. State-of-the-art methods were used to investigate the encapsulation of CUR in PnBA-b-POEGA micelles and the potential of ultrasound to enhance the release of encapsulated CUR. Dynamic light scattering (DLS), attenuated total reflection Fourier transform infrared (ATR-FTIR), and ultraviolet-visible (UV-Vis) spectroscopies confirmed the successful encapsulation of CUR within the hydrophobic domains of the copolymers, resulting in the formation of distinct and robust drug/polymer nanostructures. The exceptional stability of the CUR-loaded PnBA-b-POEGA nanocarriers over a period of 210 days was also demonstrated by proton nuclear magnetic resonance (1H-NMR) spectroscopy studies. A comprehensive 2D NMR characterization of the CUR-loaded nanocarriers authenticated the presence of CUR within the micelles, and unveiled the intricate nature of the drug-polymer intermolecular interactions. The UV-Vis results also indicated high encapsulation efficiency values for the CUR-loaded nanocarriers and revealed a significant influence of ultrasound on the release profile of CUR. The present research provides new understanding of the encapsulation and release mechanisms of CUR within biocompatible diblock copolymers and has significant implications for the advancement of safe and effective CUR-based therapeutics.
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Rodchenko S, Kurlykin M, Tenkovtsev A, Milenin S, Sokolova M, Yakimansky A, Filippov A. Amphiphilic Molecular Brushes with Regular Polydimethylsiloxane Backbone and Poly-2-isopropyl-2-oxazoline Side Chains. 3. Influence of Grafting Density on Behavior in Organic and Aqueous Solutions. Polymers (Basel) 2022; 14:polym14235118. [PMID: 36501510 PMCID: PMC9740392 DOI: 10.3390/polym14235118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 11/10/2022] [Accepted: 11/18/2022] [Indexed: 11/27/2022] Open
Abstract
Regular and irregular molecular brushes with polydimethylsiloxane backbone and poly-2-isopropyl-2-oxazoline side chains have been synthesized. Prepared samples differed strongly in the side chain grafting density, namely, in the ratio of the lengths of spacer between the grafting points and the side chains. The hydrodynamic properties and molecular conformation of the synthesized grafted copolymers and their behavior in aqueous solutions on heating were studied by the methods of molecular hydrodynamics and optics. It was found that the regularity and the grafting density do not affect the molecular shape of the studied samples of molecular brushes in the selective solvent. On the contrary, the grafting density is one of the most important factors determining the thermoresponsivity of grafted copolymers. It was shown that in analyzing self-organization and LCST values in aqueous solutions of poly-2-isopropyl-2-oxazolines with complex architecture, many factors should be considered. First is the molar fraction of the hydrophobic fragment and the intramolecular density. It was found that molar mass is not a factor that greatly affects the phase transition temperature of poly-2-isopropyl-2-oxazolines solutions at a passage from one molecular architecture to another.
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Affiliation(s)
- Serafim Rodchenko
- Institute of Macromolecular Compounds of the Russian Academy of Sciences, Bolshoy pr., 31, 199004 Saint Petersburg, Russia
- Correspondence: ; Tel.: +7-812-328-4102
| | - Mikhail Kurlykin
- Institute of Macromolecular Compounds of the Russian Academy of Sciences, Bolshoy pr., 31, 199004 Saint Petersburg, Russia
| | - Andrey Tenkovtsev
- Institute of Macromolecular Compounds of the Russian Academy of Sciences, Bolshoy pr., 31, 199004 Saint Petersburg, Russia
| | - Sergey Milenin
- Research Laboratory of New Silicone Materials and Technologies, Tula State Lev Tolstoy Pedagogical University, Lenin Avenue, 125, 300026 Tula, Russia
- Enikolopov Institute of Synthetic Polymeric Materials of the Russian Academy of Sciences, Profsoyuznaya, 70, 117393 Moscow, Russia
| | - Maria Sokolova
- Institute of Macromolecular Compounds of the Russian Academy of Sciences, Bolshoy pr., 31, 199004 Saint Petersburg, Russia
| | - Alexander Yakimansky
- Institute of Macromolecular Compounds of the Russian Academy of Sciences, Bolshoy pr., 31, 199004 Saint Petersburg, Russia
| | - Alexander Filippov
- Institute of Macromolecular Compounds of the Russian Academy of Sciences, Bolshoy pr., 31, 199004 Saint Petersburg, Russia
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Simagin AS, Savinova MV, Kamorin DM, Kazantsev OA, Orekhov DV, Simonova MA, Orekhov SV. Amino- and Sulfo-Containing Molecular Brushes Based on Oligo(ethylene glycol) (Meth)Acrylates: Synthesis and Properties in Solutions. POLYMER SCIENCE SERIES C 2022. [DOI: 10.1134/s1811238222700175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Simonova MA, Ilgach DM, Kaskevich KI, Nepomnyashaya MI, Litvinova LS, Filippov AP, Yakimansky AV. Self-assembly of Polyfluorene Molecular Brushes with Poly(methacrylic acid) Side Chains in Ethanol and Water. POLYMER SCIENCE SERIES C 2022. [DOI: 10.1134/s181123822270014x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Ivanov IV, Kashina AV, Kukarkina NV, Yakimansky AV. Amphiphilic ABA-Type Block–Graft Molecular Brushes Based on Polyimide. POLYMER SCIENCE SERIES C 2022. [DOI: 10.1134/s1811238222700047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Ayupova AR, Yangirov TA, Yumagulova RK, Fatykhov AA, Kraikin VA. Effect of Synthesis Conditions on the Regularities of Formation of Arylenephthalide–Styrene Copolymers. RUSS J GEN CHEM+ 2022. [DOI: 10.1134/s1070363222060111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Adeli F, Abbasi F, Babazadeh M, Davaran S. Thermo/pH dual-responsive micelles based on the host-guest interaction between benzimidazole-terminated graft copolymer and β-cyclodextrin-functionalized star block copolymer for smart drug delivery. J Nanobiotechnology 2022; 20:91. [PMID: 35193612 PMCID: PMC8864802 DOI: 10.1186/s12951-022-01290-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Accepted: 02/02/2022] [Indexed: 02/06/2023] Open
Abstract
Novel temperature and pH dual-sensitive amphiphilic micelles were fabricated exploiting the host-guest interaction between benzimidazole-terminated PHEMA-g-(PCL-BM) and β-CD-star-PMAA-b-PNIPAM. The fabricated graft copolymer had a brush-like structure with star side chains. The micelles were utilized as dual-responsive nanocarriers and showed the LCST between 40 and 41 °C. The acidic pH promoted the dissociation of the PHEMA-g-(PCL-BM: β-CD-star-PMAA-b-PNIPAM) micelles. DOX.HCl was loaded into the core of the micelles during self-assembly in an aqueous solution with a high encapsulation efficacy (97.3%). The average size of the amphiphilic micelles was about 80 nm, suitable size for the enhanced permeability and retention effect in tumor vasculature. In an aqueous environment, these micelles exhibited very good self-assembly ability, low CMC value, rapid pH- and thermo-responsiveness, optimal drug loading capacity, and effective release of the drug. The biocompatibility was confirmed by the viability assessment of human breast cancer cell line (MCF-7) through methyl tetrazolium assay. DOX-loaded micelles displayed excellent anti-cancer activity performance in comparison with free DOX.
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Affiliation(s)
- Floria Adeli
- Department of Chemistry, Tabriz Branch, Islamic Azad University, Tabriz, Iran
| | - Farhang Abbasi
- Institute of Polymeric Materials (IPM), Sahand University of Technology, Tabriz, Iran.
| | - Mirzaagha Babazadeh
- Department of Chemistry, Tabriz Branch, Islamic Azad University, Tabriz, Iran
| | - Soodabeh Davaran
- Research Center for Pharmaceutical Nanotechnology, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
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Novel Amphiphilic Polyfluorene-Graft-(Polymethacrylic Acid) Brushes: Synthesis, Conformation, and Self-Assembly. Polymers (Basel) 2021; 13:polym13244429. [PMID: 34960980 PMCID: PMC8708525 DOI: 10.3390/polym13244429] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 12/13/2021] [Accepted: 12/14/2021] [Indexed: 02/06/2023] Open
Abstract
Novel polyfluorene polymer brushes with polymethacrylic acid side chains were obtained by atom transfer radical polymerization (ATRP) and activator generated by electron transfer (AGET) ATRP of tert-butyl methacrylate on polyfluorene multifunctional macroinitiator, followed by protonolysis of the tert-butyl groups of the side chains. Kinetics of polymerization and molecular weights were fully characterized. These polymer brushes luminesce in the blue region of the spectrum with high quantum yields (0.64–0.77). It was shown that the luminescence intensity of polymer brushes is higher than the luminescence intensity of the macroinitiator (0.61). Moreover, due to their amphiphilic nature, they can form unimolecular micelles when an alcohol solution of the polymer brush is injected into water. These properties can potentially be used in drug delivery and bioimaging.
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Amphiphilic copolymers of N-vinylpyrrolidone with (di)methacrylates as promising carriers for the platinum(IV) complex with antitumor activity. Russ Chem Bull 2021. [DOI: 10.1007/s11172-021-3289-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Zaremski MY, Melik-Nubarov NS. Reversible Deactivation Radical Polymerization Mediated by Nitroxides and Green Chemistry. POLYMER SCIENCE SERIES C 2021. [PMCID: PMC8597878 DOI: 10.1134/s1811238221020120] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- M. Yu. Zaremski
- Faculty of Chemistry, Moscow State University, 119991 Moscow, Russia
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Simonova M, Kamorin D, Kazantsev O, Nepomnyashaya M, Filippov A. Conformation, Self-Organization and Thermoresponsibility of Polymethacrylate Molecular Brushes with Oligo(ethylene glycol)-block-oligo(propylene glycol) Side Chains. Polymers (Basel) 2021; 13:2715. [PMID: 34451252 PMCID: PMC8400288 DOI: 10.3390/polym13162715] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 08/06/2021] [Accepted: 08/09/2021] [Indexed: 11/16/2022] Open
Abstract
Polymethacrylic molecular brushes with oligo(ethylene glycol)-block-oligo(propylene glycol) side chains were investigated by static and dynamic light scattering and viscometry. The solvents used were acetonitrile, tetrahydrofuran, chloroform, and water. The grafted copolymers were molecularly dispersed and dissolved in tetrahydrofuran and acetonitrile. In these solvents, the molar masses of copolymers were determined. In thermodynamically good solvents, namely tetrahydrofuran and acetonitrile, investigated copolymers have a high intramolecular density and the shape of their molecules resembles a star-shaped macromolecule. In chloroform and water, the micelle-like aggregates were formed. Critical micelle concentrations decreased with the lengthening of the hydrophobic block. Molecular brushes demonstrated thermosensitive behavior in aqueous solutions. The phase separation temperatures reduced with an increase in the content of the oligo(propylene glycol) block.
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Affiliation(s)
- Maria Simonova
- Institute of Macromolecular Compounds of the Russian Academy of Sciences, Bolshoy Prospekt 31, 199004 Saint Petersburg, Russia;
| | - Denis Kamorin
- Laboratory of Acrylic Monomers and Polymers, Department of Chemical Technology, Dzerzhinsk Polytechnic Institute, Nizhny Novgorod State Technical University n.a. R.E. Alekseev, 24 Minin Street, 603950 Nizhny Novgorod, Russia; (D.K.); (O.K.)
- Chromatography Laboratory, Department of Production Control and Chromatography Methods, Lobachevsky State University of Nizhni Novgorod, Dzerzhinsk Branch, 23 Prospekt Gagarina, 603950 Nizhny Novgorod, Russia
| | - Oleg Kazantsev
- Laboratory of Acrylic Monomers and Polymers, Department of Chemical Technology, Dzerzhinsk Polytechnic Institute, Nizhny Novgorod State Technical University n.a. R.E. Alekseev, 24 Minin Street, 603950 Nizhny Novgorod, Russia; (D.K.); (O.K.)
| | - Maria Nepomnyashaya
- Higher School of Technology and Energy, Ivana Chernykh 4, 198095 Saint Petersburg, Russia;
| | - Alexander Filippov
- Institute of Macromolecular Compounds of the Russian Academy of Sciences, Bolshoy Prospekt 31, 199004 Saint Petersburg, Russia;
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Zaremski MY, Kozhunova EY, Abramchuk SS, Glavatskaya ME, Chertovich AV. Polymerization-induced phase separation in gradient copolymers. MENDELEEV COMMUNICATIONS 2021. [DOI: 10.1016/j.mencom.2021.03.045] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Kurlykin MP, Dudkina MM, Ten’kovtsev AV. Synthesis of Polyamide-graft-polyoxazolines Using a Sulphonyl Chloride-Type Macroinitiator. POLYMER SCIENCE SERIES B 2021. [DOI: 10.1134/s1560090421010048] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Filatov DA, Govorun EN. Microphase separation in the melts of diblock copolymers with amphiphilic blocks. SOFT MATTER 2021; 17:90-101. [PMID: 33150920 DOI: 10.1039/d0sm01089h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Self-assembly of graft diblock copolymers is an actual topic in the development of materials with desirable properties. In the paper, microphase separation in a melt of the diblock copolymer with amphiphilic and non-amphiphilic blocks is investigated using the analytical theory in the strong segregation approximation. Non-amphiphilic blocks are strongly immiscible with the backbone chains of amphiphilic ones but miscible with their side chains. In the theory, the amphiphilic units are considered as dimers, which can easily orient at interfaces. In the case of weakly amphiphilic dimers, the interfacial tension at a flat interface is calculated using density-functional theory. The amphiphilicity effect leads to a decrease in the surface tension and, hence, to weakening of the block stretching and decrease of the spatial period of the structure. In the case of strongly amphiphilic dimers, the phase diagrams are calculated taking into account basic morphological types (spheres and inverse spheres of amphiphilic blocks, cylinders and inverse cylinders, and lamellae). If the amphiphilicity effects dominate, the characteristic size of the amphiphilic block domain is equal to the side chain length, spherical and cylindrical micelles are formed only at very low fractions of the amphiphilic blocks, the lamellae are formed at slightly larger factions, and the micelles from non-amphiphilic blocks are separated by thin interconnected layers from amphiphilic blocks in the broad range of compositions.
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Affiliation(s)
- Dmitry A Filatov
- A. N. Nesmeyanov Institute of Organoelement Compounds RAS, Vavilova ul. 28, Moscow 119991, Russia
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Rodchenko S, Amirova A, Kurlykin M, Tenkovtsev A, Milenin S, Filippov A. Amphiphilic Molecular Brushes with Regular Polydimethylsiloxane Backbone and Poly-2-isopropyl-2-oxazoline Side Chains. 2. Self-Organization in Aqueous Solutions on Heating. Polymers (Basel) 2020; 13:E31. [PMID: 33374766 PMCID: PMC7796000 DOI: 10.3390/polym13010031] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 12/18/2020] [Accepted: 12/20/2020] [Indexed: 01/18/2023] Open
Abstract
The behavior of amphiphilic molecular brushes in aqueous solutions on heating was studied by light scattering and turbidimetry. The main chain of the graft copolymers was polydimethylsiloxane, and the side chains were thermosensitive poly-2-isopropyl-2-oxazoline. The studied samples differed in the length of the grafted chains (polymerization degrees were 14 and 30) and, accordingly, in the molar fraction of the hydrophobic backbone. The grafting density of both samples was 0.6. At low temperatures, macromolecules and aggregates, which formed due to the interaction of main chains, were observed in solutions. At moderate temperatures, heating solutions of the sample with short side chains led to aggregation due to dehydration of poly-2-isopropyl-2-oxazoline and the formation of intermolecular hydrogen bonds. In the case of the brush with long grafted chains, dehydration caused the formation of intramolecular hydrogen bonds and the compaction of molecules and aggregates. The lower critical solution temperature for solutions of the sample with long side chains was higher than LCST for the sample with short side chains. It was shown that the molar fraction of the hydrophobic component and the intramolecular density are the important factors determining the LCST behavior of amphiphilic molecular brushes in aqueous solutions.
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Affiliation(s)
- Serafim Rodchenko
- Institute of Macromolecular Compounds of the Russian Academy of Sciences, Bolshoy pr., 31, 199004 Saint Petersburg, Russia; (A.A.); (M.K.); (A.T.); (A.F.)
| | - Alina Amirova
- Institute of Macromolecular Compounds of the Russian Academy of Sciences, Bolshoy pr., 31, 199004 Saint Petersburg, Russia; (A.A.); (M.K.); (A.T.); (A.F.)
| | - Mikhail Kurlykin
- Institute of Macromolecular Compounds of the Russian Academy of Sciences, Bolshoy pr., 31, 199004 Saint Petersburg, Russia; (A.A.); (M.K.); (A.T.); (A.F.)
| | - Andrey Tenkovtsev
- Institute of Macromolecular Compounds of the Russian Academy of Sciences, Bolshoy pr., 31, 199004 Saint Petersburg, Russia; (A.A.); (M.K.); (A.T.); (A.F.)
| | - Sergey Milenin
- Enikolopov Institute of Synthetic Polymeric Materials of the Russian Academy of Sciences, Profsoyuznaya, 70, 117393 Moscow, Russia;
| | - Alexander Filippov
- Institute of Macromolecular Compounds of the Russian Academy of Sciences, Bolshoy pr., 31, 199004 Saint Petersburg, Russia; (A.A.); (M.K.); (A.T.); (A.F.)
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Simonova M, Ivanov I, Meleshko T, Kopyshev A, Santer S, Yakimansky A, Filippov A. Self-Assembly of Molecular Brushes with Polyimide Backbone and Amphiphilic Block Copolymer Side Chains in Selective Solvents. Polymers (Basel) 2020; 12:polym12122922. [PMID: 33291503 PMCID: PMC7762168 DOI: 10.3390/polym12122922] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 12/02/2020] [Accepted: 12/03/2020] [Indexed: 12/04/2022] Open
Abstract
Three-component molecular brushes with a polyimide backbone and amphiphilic block copolymer side chains with different contents of the “inner” hydrophilic (poly(methacrylic acid)) and “outer” hydrophobic (poly(methyl methacrylate)) blocks were synthesized and characterized by molecular hydrodynamics and optics methods in solutions of chloroform, dimethylformamide, tetrahydrofuran and ethanol. The peculiarity of the studied polymers is the amphiphilic structure of the grafted chains. The molar masses of the molecular brushes were determined by static and dynamic light scattering in chloroform in which polymers form molecularly disperse solutions. Spontaneous self-assembly of macromolecules was detected in dimethylformamide, tetrahydrofuran and ethanol. The aggregates size depended on the thermodynamic quality of the solvent as well as on the macromolecular architectural parameters. In dimethylformamide and tetrahydrofuran, the distribution of hydrodynamic radii of aggregates was bimodal, while in ethanol, it was unimodal. Moreover, in ethanol, an increase in the poly(methyl methacrylate) content caused a decrease in the hydrodynamic radius of aggregates. A significant difference in the nature of the blocks included in the brushes determines the selectivity of the used solvents, since their thermodynamic quality with respect to the blocks is different. The macromolecules of the studied graft copolymers tend to self-organization in selective solvents with formation of a core–shell structure with an insoluble solvophobic core surrounded by the solvophilic shell of side chains.
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Affiliation(s)
- Maria Simonova
- Institute of Macromolecular Compounds of the Russian Academy of Sciences, Bolshoy Pr. 31, 199004 Saint Petersburg, Russia; (I.I.); (T.M.); (A.Y.); (A.F.)
- Correspondence: ; Tel.: +7-812-328-4102
| | - Ivan Ivanov
- Institute of Macromolecular Compounds of the Russian Academy of Sciences, Bolshoy Pr. 31, 199004 Saint Petersburg, Russia; (I.I.); (T.M.); (A.Y.); (A.F.)
| | - Tamara Meleshko
- Institute of Macromolecular Compounds of the Russian Academy of Sciences, Bolshoy Pr. 31, 199004 Saint Petersburg, Russia; (I.I.); (T.M.); (A.Y.); (A.F.)
| | - Alexey Kopyshev
- Institute of Physics and Astronomy, University of Potsdam, 14476 Potsdam, Germany; (A.K.); (S.S.)
| | - Svetlana Santer
- Institute of Physics and Astronomy, University of Potsdam, 14476 Potsdam, Germany; (A.K.); (S.S.)
| | - Alexander Yakimansky
- Institute of Macromolecular Compounds of the Russian Academy of Sciences, Bolshoy Pr. 31, 199004 Saint Petersburg, Russia; (I.I.); (T.M.); (A.Y.); (A.F.)
| | - Alexander Filippov
- Institute of Macromolecular Compounds of the Russian Academy of Sciences, Bolshoy Pr. 31, 199004 Saint Petersburg, Russia; (I.I.); (T.M.); (A.Y.); (A.F.)
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Blokhin AN, Razina AB, Kurlykin MP, Kashina AV, Tenkovtsev AV. New thermoresponsive polyester-graft-polyoxazolines based on sulfonyl chloride macroinitiators. MENDELEEV COMMUNICATIONS 2020. [DOI: 10.1016/j.mencom.2020.11.037] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Zaremski MY, Aliev EE, Garina ES, Melik-Nubarov NS. TEMPO-mediated radical polymerization in the synthesis of poly(methyl methacrylate) macromonomer. MENDELEEV COMMUNICATIONS 2020. [DOI: 10.1016/j.mencom.2020.09.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Karanikolopoulos N, Choinopoulos I, Pitsikalis M. Poly{
dl
‐lactide‐
b
‐[oligo(ethylene glycol) methyl ether (meth)acrylate)]} block copolymers. Synthesis, characterization, micellization behavior in aqueous solutions and encapsulation of model hydrophobic compounds. JOURNAL OF POLYMER SCIENCE 2020. [DOI: 10.1002/pol.20200042] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Nikos Karanikolopoulos
- Industrial Chemistry Laboratory, Department of Chemistry National and Kapodistrian University of Athens Athens Greece
| | - Ioannis Choinopoulos
- Industrial Chemistry Laboratory, Department of Chemistry National and Kapodistrian University of Athens Athens Greece
| | - Marinos Pitsikalis
- Industrial Chemistry Laboratory, Department of Chemistry National and Kapodistrian University of Athens Athens Greece
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